package com.javaxiaobear.base.framework.web.exception;

import com.javaxiaobear.base.common.exception.ServiceException;
import com.javaxiaobear.base.common.utils.StringUtils;
import com.javaxiaobear.base.framework.web.domain.AjaxResult;
import jakarta.servlet.http.HttpServletRequest;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.validation.BindException;
import org.springframework.web.HttpRequestMethodNotSupportedException;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.MissingPathVariableException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.method.annotation.MethodArgumentTypeMismatchException;

/**
 * 全局异常处理器
 *
 * @author javaxiaobear
 */
@RestControllerAdvice
public class GlobalExceptionHandler {
  private static final Logger log = LoggerFactory.getLogger(GlobalExceptionHandler.class);

  /** 请求方式不支持 */
  @ExceptionHandler(HttpRequestMethodNotSupportedException.class)
  public AjaxResult handleHttpRequestMethodNotSupported(
      HttpRequestMethodNotSupportedException e, HttpServletRequest request) {
    String requestURI = request.getRequestURI();
    log.error("请求地址'{}',不支持'{}'请求", requestURI, e.getMethod());
    return AjaxResult.error(e.getMessage());
  }

  /** 业务异常 */
  @ExceptionHandler(ServiceException.class)
  public AjaxResult handleServiceException(ServiceException e, HttpServletRequest request) {
    log.error(e.getMessage(), e);
    Integer code = e.getCode();
    return StringUtils.isNotNull(code)
        ? AjaxResult.error(code, e.getMessage())
        : AjaxResult.error(e.getMessage());
  }

  /** 请求路径中缺少必需的路径变量 */
  @ExceptionHandler(MissingPathVariableException.class)
  public AjaxResult handleMissingPathVariableException(
      MissingPathVariableException e, HttpServletRequest request) {
    String requestURI = request.getRequestURI();
    log.error("请求路径中缺少必需的路径变量'{}',发生系统异常.", requestURI, e);
    return AjaxResult.error(String.format("请求路径中缺少必需的路径变量[%s]", e.getVariableName()));
  }

  /** 请求参数类型不匹配 */
  @ExceptionHandler(MethodArgumentTypeMismatchException.class)
  public AjaxResult handleMethodArgumentTypeMismatchException(
      MethodArgumentTypeMismatchException e, HttpServletRequest request) {
    String requestURI = request.getRequestURI();
    log.error("请求参数类型不匹配'{}',发生系统异常.", requestURI, e);
    return AjaxResult.error(
        String.format(
            "请求参数类型不匹配，参数[%s]要求类型为：'%s'，但输入值为：'%s'",
            e.getName(), e.getRequiredType().getName(), e.getValue()));
  }

  /** 拦截未知的运行时异常 */
  @ExceptionHandler(RuntimeException.class)
  public AjaxResult handleRuntimeException(RuntimeException e, HttpServletRequest request) {
    String requestURI = request.getRequestURI();
    log.error("请求地址'{}',发生未知异常.", requestURI, e);
    return AjaxResult.error(e.getMessage());
  }

  /** 系统异常 */
  @ExceptionHandler(Exception.class)
  public AjaxResult handleException(Exception e, HttpServletRequest request) {
    String requestURI = request.getRequestURI();
    log.error("请求地址'{}',发生系统异常.", requestURI, e);
    return AjaxResult.error(e.getMessage());
  }

  /** 自定义验证异常 */
  @ExceptionHandler(BindException.class)
  public AjaxResult handleBindException(BindException e) {
    log.error(e.getMessage(), e);
    String message = e.getAllErrors().get(0).getDefaultMessage();
    return AjaxResult.error(message);
  }

  /** 自定义验证异常 */
  @ExceptionHandler(MethodArgumentNotValidException.class)
  public Object handleMethodArgumentNotValidException(MethodArgumentNotValidException e) {
    log.error(e.getMessage(), e);
    String message = e.getBindingResult().getFieldError().getDefaultMessage();
    return AjaxResult.error(message);
  }
}
